[O-]c1ccccc1C=[NH+]c1ccccc1[O-]    mol38259    -1_1
[O-]c1ccccc1C=Nc1ccccc1O    mol38259    -1_2
[O-]c1ccccc1N=Cc1ccccc1O    mol38259    -1_3
[O-]c1ccccc1C=Nc1ccccc1[O-]    mol38259    -2_1